<template>
	<view class="container">
		<view class="container">
			<mescroll-body ref="mescrollRef" :sticky="true" @init="mescrollInit" :down="{ use: false }" :up="upOption"
				@up="upCallback">
				<view class="log-list">
					<view v-for="(item, index) in list.data" :key="index" class="log-item">
						<view class="item-left flex-box">
							<view class="rec-status">
								<text>{{ item.describe }}</text>
							</view>
							<view class="rec-time">
								<text>{{ item.create_time }}</text>
							</view>
						</view>
						<view class="item-right" :class="[item.value > 0 ? 'col-green' : 'col-6']">
							<text>{{ item.value > 0 ? '+' : '' }}{{ item.value }}</text>
						</view>
					</view>
				</view>
			</mescroll-body>
		</view>
	</view>
</template>

<script>
	import MescrollBody from '@/components/mescroll-uni/mescroll-body.vue'
	import MescrollMixin from '@/components/mescroll-uni/mescroll-mixins'
	import * as LogApi from '@/api/points/log'
	import {
		getEmptyPaginateObj,
		getMoreListData
	} from '@/core/app'

	const pageSize = 10

	export default {
		components: {
			MescrollBody
		},
		// 局部混入
		mixins: [MescrollMixin],
		data() {
			return {
				// 充值记录列表
				list: getEmptyPaginateObj(),
				// 上拉加载配置
				upOption: {
					// 首次自动执行
					auto: true,
					// 每页数据的数量：默认10
					page: {
						size: pageSize
					},
					// 数量大于12条时才显示无更多数据
					noMoreSize: 12,
					// 空布局
					empty: {
						tip: '亲，暂无充值记录~'
					}
				},
			}
		},
		methods: {
			/**
			 * 上拉加载的回调 (页面初始化时也会执行一次)
			 * 其中page.num:当前页 从1开始, page.size:每页数据条数,默认10
			 * @param {Object} page
			 */
			upCallback(page) {
				const that = this
				// 设置列表数据
				that.getLogList(page.num)
					.then(list => {
						const curPageLen = list.data.length
						const totalSize = list.data.total
						that.mescroll.endBySize(curPageLen, totalSize)
					})
					.catch(() => that.mescroll.endErr())
			},
			
			// 获取积分明细列表
			getLogList(pageNo = 1) {
			  const that = this
			  return new Promise((resolve, reject) => {
			    LogApi.list({ page: pageNo })
			      .then(result => {
			        // 合并新数据
			        const newList = result.data.list
			        that.list.data = getMoreListData(newList, that.list, pageNo)
			        resolve(newList)
			      })
			  })
			}
		},
	}
</script>

<style lang="scss" scoped>
	page,
	.container {
		background: #fff;
	}

	.log-list {
		padding: 0 30rpx;
	}

	.log-item {
		font-size: 28rpx;
		padding: 20rpx 20rpx;
		line-height: 1.8;
		border-bottom: 1rpx solid rgb(238, 238, 238);
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.rec-status {
		color: #333;

		.rec-time {
			color: rgb(160, 160, 160);
			font-size: 26rpx;
		}
	}
</style>
